DevTools: Animations: Remember the playback rate

third_party/WebKit/Source/devtools/front_end/animation/AnimationTimeline.js

Index: third_party/WebKit/Source/devtools/front_end/animation/AnimationTimeline.js
diff --git a/third_party/WebKit/Source/devtools/front_end/animation/AnimationTimeline.js b/third_party/WebKit/Source/devtools/front_end/animation/AnimationTimeline.js
index fc102c39548cbd63cd49d1d1af568e8639e24930..694653d7f071f2b0f59468706239b2f6121f9d2e 100644
--- a/third_party/WebKit/Source/devtools/front_end/animation/AnimationTimeline.js
+++ b/third_party/WebKit/Source/devtools/front_end/animation/AnimationTimeline.js
@@ -322,12 +322,11 @@ Animation.AnimationTimeline = class extends UI.VBox {
 
   _reset() {
     this._clearTimeline();
-    if (this._allPaused) {
-      this._playbackRate = 1;
+    if (this._allPaused)
       this._togglePauseAll();
-    } else {
-      this._setPlaybackRate(1);
-    }
+    else
+      this._setPlaybackRate(this._playbackRate);
+
     for (var group of this._groupBuffer)
       group.release();
     this._groupBuffer = [];